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Finding the Fourth Proportional to 192,060.12, 264,846.32 and 127,506.64

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Solution

The fourth proportional to 192,060.12, 264,846.32 and 127,506.64 is: 175,828.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,060.12 : 264,846.32 = 127,506.64 : x
  2. Step 2: Convert to fraction form
    192,060.12/264,846.32 = 127,506.64/x
  3. Step 3: Cross multiply
    192,060.12x = 264,846.32 × 127,506.64
  4. Step 4: Simplify right side
    192,060.12x = 33,769,664,379.56
  5. Step 5: Solve for x
    x = 33,769,664,379.56/192,060.12
  6. Step 6: Final answer
    x = 175,828.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.